American Century Companies Portfolio holdings
American Century Companies, Inc., founded in 1958 by James E. Stowers Jr. as Twentieth Century Mutual Funds and headquartered in Kansas City, Missouri, is a privately held investment management firm renowned for its focus on delivering investment results to clients while supporting medical research. Starting with just $100,000 from 24 shareholders, it rebranded to American Century Investments in 1997 and now manages hundreds of billions in assets across mutual funds, ETFs, and institutional portfolios, emphasizing no-load funds and a client-centric approach. The firm’s unique ownership structure sees over 40% of its profits funneled to the Stowers Institute for Medical Research, which it majority-owns, funding groundbreaking biomedical research, while Nomura Holdings holds a significant minority stake. With a global presence in cities like New York, London, and Hong Kong, and a workforce of around 1,400, American Century blends financial expertise with a mission to improve lives through both wealth creation and scientific advancement.
Top Buys
| Rank | Stock | Value |
|---|---|---|
| 1 |
Ciena
CIEN
|
+$671M |
| 2 |
Advanced Micro Devices
AMD
|
+$638M |
| 3 |
Eli Lilly
LLY
|
+$520M |
| 4 |
Corning
GLW
|
+$389M |
| 5 |
Cadence Design Systems
CDNS
|
+$371M |
Top Sells
| Rank | Stock | Value |
|---|---|---|
| 1 |
Apple
AAPL
|
+$1.74B |
| 2 |
Analog Devices
ADI
|
+$697M |
| 3 |
Broadcom
AVGO
|
+$679M |
| 4 |
Microsoft
MSFT
|
+$663M |
| 5 |
Costco
COST
|
+$357M |
Sector Composition
| Rank | Sector | Weight |
|---|---|---|
| 1 | Technology | 27.76% |
| 2 | Financials | 14.09% |
| 3 | Industrials | 11.46% |
| 4 | Consumer Discretionary | 11.12% |
| 5 | Healthcare | 8.48% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Change in Stake | Capital Flow | |
|---|---|---|---|---|---|---|
1601
Gartner
IT
$11.3B
| $9.21M | ﹤0.01% |
71,084
+34,931
| +97% | +$5.26M |
|
1602
Synaptics
SYNA
$4.3B
| $9.21M | ﹤0.01% |
74,163
+13,221
| +22% | +$1.49M |
|
|
YSS
1603
York Space Systems
YSS
$1.45B
| $9.2M | ﹤0.01% |
373,867
+9,317
| +3% | +$289K |
|
|
FSUN
1604
FirstSun Capital Bancorp
FSUN
$2.01B
| $9.17M | ﹤0.01% |
236,526
+67,245
| +40% | +$2.46M |
|
1605
Altria Group
MO
$107B
| $9.07M | ﹤0.01% |
126,098
+41,133
| +48% | +$2.87M |
|
|
AUGO
1606
Aura Minerals Inc
AUGO
$6.5B
| $9.06M | ﹤0.01% |
143,974
-184,115
| -56% | -$14.5M |
|
1607
Allegion
ALLE
$14.1B
| $9.04M | ﹤0.01% |
64,359
+6,466
| +11% | +$879K |
|
1608
Worthington Steel
WS
$1.94B
| $9.03M | ﹤0.01% |
268,919
-148,742
| -36% | -$5.7M |
|
1609
NETSCOUT
NTCT
$2.87B
| $9.01M | ﹤0.01% |
206,809
+18,603
| +10% | +$700K |
|
1610
HubSpot
HUBS
$10.5B
| $9M | ﹤0.01% |
49,288
-145,022
| -75% | -$30.3M |
|
1611
Watts Water Technologies
WTS
$12.9B
| $8.96M | ﹤0.01% |
22,885
-17,530
| -43% | -$5.47M |
|
1612
Copart
CPRT
$26.8B
| $8.96M | ﹤0.01% |
317,750
+16,963
| +6% | +$548K |
|
1613
Dick's Sporting Goods
DKS
$18.1B
| $8.92M | ﹤0.01% |
39,332
+201
| +0.5% | +$44.4K |
|
1614
SEI Investments
SEIC
$12.7B
| $8.9M | ﹤0.01% |
101,518
+6,288
| +7% | +$549K |
|
|
JCAP
1615
Jefferson Capital
JCAP
$1.3B
| $8.9M | ﹤0.01% |
456,926
+157,883
| +53% | +$2.94M |
|
1616
Aon
AON
$74.7B
| $8.89M | ﹤0.01% |
26,798
-56
| -0.2% | -$18.1K |
|
1617
Donegal Group Class A
DGICA
$692M
| $8.86M | ﹤0.01% |
469,881
+73,902
| +19% | +$1.28M |
|
1618
Foster
FSTR
$405M
| $8.86M | ﹤0.01% |
196,121
+112,550
| +135% | +$4.2M |
|
1619
Karat Packaging
KRT
$962M
| $8.82M | ﹤0.01% |
263,499
+1,600
| +0.6% | +$46.1K |
|
1620
Paychex
PAYX
$42.8B
| $8.8M | ﹤0.01% |
89,508
-45,593
| -34% | -$4.31M |
|
1621
A10 Networks
ATEN
$2B
| $8.76M | ﹤0.01% |
234,381
+12,012
| +5% | +$349K |
|
|
EA
1622
DELISTED
Electronic Arts
EA
| $8.74M | ﹤0.01% |
42,644
-134
| -0.3% | -$27.1K |
|
1623
Sturm, Ruger & Co
RGR
$600M
| $8.74M | ﹤0.01% |
230,793
-102,273
| -31% | -$4.11M |
|
1624
Myers Industries
MYE
$1.23B
| $8.73M | ﹤0.01% |
247,138
-60,838
| -20% | -$1.43M |
|
1625
Alerus Financial
ALRS
$843M
| $8.64M | ﹤0.01% |
277,688
-32,435
| -10% | -$891K |
|
Similar funds
American Century Companies's Q2 2026 Portfolio in Review
As of Q2 2026, American Century Companies held 3,021 positions worth $226B, up 16% from $194B the previous quarter. Its ten largest holdings account for 22% of the portfolio.
American Century Companies's Q2 2026 filing shows 193 new, 1,743 increased, 891 reduced and 137 closed positions. Its largest new stake was OceanaGold Corp: 6,764,717 shares worth $170M. The largest sale was Apple, an estimated $1.74B.
By sector, the portfolio is most concentrated in Technology at 28% of assets, up from 25% a quarter earlier, followed by Financials and Industrials.
- American Century Companies's largest Q2 2026 buy was OceanaGold Corp: 6,764,717 shares worth $170M.
- American Century Companies added most to Ciena in Q2 2026, an estimated $671M increase.
- American Century Companies's biggest Q2 2026 reduction was Apple, cutting an estimated $1.74B.
- American Century Companies fully exited Air Lease Corp in Q2 2026, selling an estimated $182M.
- American Century Companies's ten largest holdings make up 22% of its $226B portfolio in Q2 2026.
- American Century Companies opened 193 new positions and closed 137 in Q2 2026.
- American Century Companies's portfolio value rose 16% quarter-over-quarter to $226B.
Based on American Century Companies's 13F filing for Q2 2026, filed 12 Aug 2026.